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Helly Hansen migrated to Vercel and drove 80% Black Friday growth
Alina Weinstein·September 15, 2025
The 150-year-old Norwegian brand leveraged Next.js and Vercel to achieve 30%+ conversion lift while competing against industry titans
Founded in 1877, Helly Hansen is a global leader in technical apparel, but its digital experience wasn't living up to its legacy. Operating across 38 global markets with multiple brands (including HellyHansen.com, HHWorkwear.com, and Musto.com), the company was being held back by an outdated tech stack that slowed site speeds and frustrated customers.
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